Description:
Surface Drive technology virtually eliminates the rounding of fasteners Made from chrome molybdenum alloy steel for exceptional strength and durability High-Visibility laser etched markings for quick size identification Secondary hard size stamping Parallel Neck down design on 8, 9, 10, 11mm standard and deep and 5/16, 3/8 and 7/16 standard and deep sizes for improved access to restricted fasteners Corrosion resistant coating reduces rust Meets or Exceeds ASME B107.2/B107.33M Standard/Deep: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 22mm Universal Joint: 3/8 x 3/8
